01/05/2013 12:55 BST | Updated 01/05/2013 12:55 BST

Boston Marathon Bombing: Three 'Additional Suspects' Arrested

Three more people have been arrested in the Boston Mararthon bombing investigation, police have announced.

A tweet from Boston Police confirmed the three "additional suspects" were in custody, and stressed there was no danger to the public.

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Three people died and more than 260 were injured by the two bombs, which exploded near the race's finishing line on April 15.

After a massive manhunt, suspect Tamerlan Tsarnaev died in a gunfight with the police. Soon afterwards, his brother, Dzhokhar Tsarnaev, was captured and is in hospital prison.

Boston Police said in a statement: "Please be advised that there is not threat to public safety.

"Three additional suspects have been taken into custody in connection to the attack on the Boston Marathon.

"Aside from the aforementioned, there is no additional info to release at this time. Additional details will be provided when they become available. No info available at this time relative to a press conference."